Analyzer
Sentence analysis
7Spans
Sentence
Span Details
この
this; last (couple of years, etc.); these; past; you (as in "you liar")-> 此のpre-noun adjective
数列
sequence; progression; several lines; several rowsnoun
の
possession, attribution, nominalizer, or nominal linkergrammar
公比
common ratio; geometric rationoun
は
topic markergrammar
2
-です。
be; is; arecopula, auxiliary
出洲ですspit of land; sandspit